/*******************************************************************************
 * Copyright (c) 2001, 2018 IBM Corp. and others
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] http://openjdk.java.net/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
 *******************************************************************************/
package com.ibm.jvmti.tests.resourceExhausted;

import java.util.Iterator;
import java.util.Vector;

public class re002 
{
	public static native boolean hasBeenCalledBack();
	
	public boolean testThreadExhaustion()
	{
		int threadCount = 0;
		Vector threadList = new Vector();
		Object m = new Object();
		boolean ret = false;
		
		/* Clear the flag */
		hasBeenCalledBack();
		
		try {
			while (true) {
				
				reThread t = new reThread(m);
				t.start();
				threadList.add(t);
				threadCount++;		    	
			}
		} 
		catch (OutOfMemoryError ex)
		{
			/* System.out.println("ex: " + ex.getMessage()); */
			
			/* Check if the callback was issued prior to the exception */
			ret = hasBeenCalledBack();
		}
		finally
		{
						
			Iterator it = threadList.iterator();
			while (it.hasNext()) {
				
				synchronized(m) {
					m.notifyAll();
				}
				
				reThread t = (reThread) it.next();
				try {					
					threadCount--;
					if (threadCount > 0) {
						t.join();
					}
				} 
				catch (InterruptedException e) 
				{
					ret = false;
				}
			}
			
			
		}
		
		
		return ret;
	}
	
	public String helpThreadExhaustion()
	{
		return "Test the Resource Exhausted event to callback with the thread exhaustion flag set.";
	}
	
}
